Sideline Snapback Cap Powered By Coolcore® - Adjustable is designed for reliable performance in teams, events, and everyday wear. 96% polyester/4% spandex tech twill. Key features include Mesh sweatband with Coolcore® fabric technology; Coolcore® fabric is engineered to distribute moisture quickly throughout the garment. As the moisture spreads it will dry faster and keep you cool and comfortable; Water-repellent; Mid-profile; Pro-model; Slight curved visor.